/* ============================================================
   Zuviz Marketing Website - Animations
   Smooth, fluid animations and micro-interactions
   ============================================================ */

/* ===== KEYFRAME ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.6);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Gradient animation */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* ===== ANIMATION CLASSES ===== */
.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInDown {
    animation: fadeInDown 0.6s ease-out;
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-slideInLeft {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slideInRight {
    animation: slideInRight 0.6s ease-out;
}

.animate-scaleIn {
    animation: scaleIn 0.4s ease-out;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ===== SCROLL ANIMATIONS ===== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease-out;
}

.scroll-reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease-out;
}

.scroll-reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger delay for multiple elements */
.scroll-reveal:nth-child(1) {
    transition-delay: 0.1s;
}

.scroll-reveal:nth-child(2) {
    transition-delay: 0.2s;
}

.scroll-reveal:nth-child(3) {
    transition-delay: 0.3s;
}

.scroll-reveal:nth-child(4) {
    transition-delay: 0.4s;
}

.scroll-reveal:nth-child(5) {
    transition-delay: 0.5s;
}

.scroll-reveal:nth-child(6) {
    transition-delay: 0.6s;
}

/* ===== HOVER EFFECTS ===== */
.hover-lift {
    transition: transform var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-8px);
}

.hover-scale {
    transition: transform var(--transition-base);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-glow {
    transition: all var(--transition-base);
}

.hover-glow:hover {
    box-shadow: 0 0 40px rgba(102, 126, 234, 0.5);
}

/* ===== LOADING ANIMATIONS ===== */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--bg-glass);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-dots {
    display: flex;
    gap: var(--space-2);
}

.loading-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent);
    animation: pulse 1.4s ease-in-out infinite;
}

.loading-dot:nth-child(1) {
    animation-delay: 0s;
}

.loading-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dot:nth-child(3) {
    animation-delay: 0.4s;
}

/* ===== GRADIENT BACKGROUNDS ===== */
.gradient-animated {
    background: linear-gradient(270deg, #667eea, #764ba2, #f093fb, #4facfe);
    background-size: 800% 800%;
    animation: gradientShift 15s ease infinite;
}

/* ===== PAGE TRANSITIONS ===== */
.page-transition {
    animation: fadeIn 0.4s ease-out;
}

/* ===== HERO ANIMATIONS ===== */
.hero-title {
    animation: fadeInDown 0.8s ease-out;
}

.hero-subtitle {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-cta {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* ===== CARD ANIMATIONS ===== */
.card-stack>* {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease-out forwards;
}

.card-stack>*:nth-child(1) {
    animation-delay: 0.1s;
}

.card-stack>*:nth-child(2) {
    animation-delay: 0.2s;
}

.card-stack>*:nth-child(3) {
    animation-delay: 0.3s;
}

.card-stack>*:nth-child(4) {
    animation-delay: 0.4s;
}

/* ===== EMPHASIS EFFECTS ===== */
.shimmer {
    position: relative;
    overflow: hidden;
}

.shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.1),
            transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* ===== MICRO-INTERACTIONS ===== */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
    width: 300px;
    height: 300px;
}

/* ===== SMOOTH TRANSITIONS ===== */
.transition-all {
    transition: all var(--transition-base);
}

.transition-transform {
    transition: transform var(--transition-base);
}

.transition-opacity {
    transition: opacity var(--transition-base);
}

.transition-colors {
    transition: background-color var(--transition-base),
        border-color var(--transition-base),
        color var(--transition-base);
}

/* ===== HOMEPAGE DEMO ANIMATIONS ===== */

/* Base demo container */
.demo-container {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--border-radius-lg);
    background: var(--bg-primary);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Payoff Diagram Demo */
.demo-svg {
    width: 100%;
    height: 100%;
    transition: opacity 0.3s ease;
}

.demo-payoff-line {
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
}

/* Greeks Panel Demo */
.demo-greeks-wrapper {
    width: 100%;
    height: 100%;
    padding: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.demo-greeks-panel {
    width: 100%;
    max-width: 320px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    padding: var(--space-4);
    border: 1px solid var(--border-color);
}

.demo-greeks-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.demo-greeks-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.demo-greeks-badge {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
}

.demo-greeks-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.demo-greek-item {
    background: var(--bg-tertiary);
    padding: var(--space-3);
    border-radius: var(--border-radius-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.demo-greek-item:last-child {
    grid-column: span 2;
}

.demo-greek-label {
    font-size: 11px;
    color: var(--text-secondary);
}

.demo-greek-value {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-profit);
    font-family: var(--font-mono);
    transition: color 0.2s ease;
}

.demo-greek-value.negative {
    color: var(--color-loss);
}

.demo-greek-value.flash-green {
    color: #34d399;
    text-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.demo-greek-value.flash-red {
    color: #f87171;
    text-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

.demo-greeks-slider {
    background: var(--bg-tertiary);
    padding: var(--space-3);
    border-radius: var(--border-radius-sm);
}

.demo-slider-label {
    font-size: 11px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: var(--space-2);
}

.demo-slider-track {
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    position: relative;
    margin-bottom: var(--space-2);
}

.demo-slider-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-profit));
    border-radius: 3px;
    width: 50%;
    transition: width 0.05s linear;
}

.demo-slider-thumb {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: left 0.05s linear;
}

.demo-slider-value {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    font-family: var(--font-mono);
}

/* Strategy Templates Demo */
.demo-templates-wrapper {
    width: 100%;
    height: 100%;
    padding: var(--space-4);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: var(--space-6);
}

.demo-templates-panel {
    width: 100%;
    max-width: 300px;
}

.demo-templates-dropdown {
    position: relative;
    margin-bottom: var(--space-4);
}

.demo-dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
}

.demo-dropdown-text {
    font-size: var(--text-sm);
    color: var(--text-primary);
    font-weight: 500;
}

.demo-dropdown-arrow {
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.demo-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    margin-top: var(--space-1);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10;
}

.demo-templates-dropdown.open .demo-dropdown-menu {
    max-height: 200px;
    opacity: 1;
}

.demo-dropdown-item {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.demo-dropdown-item.hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.demo-template-preview {
    margin-top: var(--space-4);
}

.demo-preview-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--space-4);
}

.demo-preview-header {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-color);
}

.demo-preview-legs {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.demo-leg {
    font-size: 12px;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
}

.demo-leg.buy {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-profit);
    border-left: 3px solid var(--color-profit);
}

.demo-leg.sell {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-loss);
    border-left: 3px solid var(--color-loss);
}

.demo-leg.stock {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-accent);
    border-left: 3px solid var(--color-accent);
}

/* Static fallback for reduced motion */
.demo-static-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    text-align: center;
    padding: var(--space-4);
}

/* ===== ACCESSIBILITY: Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .scroll-reveal,
    .scroll-reveal-left,
    .scroll-reveal-right {
        opacity: 1;
        transform: none;
    }
}